. Classification of American wheat varieties. Wheat; Wheat. 178 BULLETIN 1074, U. S. DEPARTMENT OE AGRICULTURE. JENKTN (JEXKUNT S CLUB). Description.—Plant spring habit, late, tall; stem white, strong; spike awnless, oblong-fusiform, dense, erect; glumes glabrous, brown, midlong, midwide; shoul- ders midwide, usually rounded; beaks broad, obtuse, mm. long, apical awns few. 2 to 10 mm. long; kernels white, small, soft, broadly ovate, humped; germ small, abrupt; crease midwide, middeep to deep, sometimes pitted; cheeks angular to rounded; brush small, midlong. This is the tallest commercial


. Classification of American wheat varieties. Wheat; Wheat. 178 BULLETIN 1074, U. S. DEPARTMENT OE AGRICULTURE. JENKTN (JEXKUNT S CLUB). Description.—Plant spring habit, late, tall; stem white, strong; spike awnless, oblong-fusiform, dense, erect; glumes glabrous, brown, midlong, midwide; shoul- ders midwide, usually rounded; beaks broad, obtuse, mm. long, apical awns few. 2 to 10 mm. long; kernels white, small, soft, broadly ovate, humped; germ small, abrupt; crease midwide, middeep to deep, sometimes pitted; cheeks angular to rounded; brush small, midlong. This is the tallest commercial variety of club wheat and is taller than most common wheats grown. Spikes, glumes, and kernels of Jenkin are shown in Plate LI, A. History.—The origin of Jenkin wheat is undetermined. It is known to have been grown in the vicinity of Wilbur, Lincoln County, Wash., about 1895 (125). By 1900 it be- came grown around Walla Walla. Wash., and Pendleton, Oreg., and during the next decade largely replaced other varieties in those sections, being grown from both fail and spring sowing. Distribution.—Grown in Idaho, Oregon, and Washing- ton. (Fig. 73.). Fig. 73. — Outline map of a portion of the Pa cif ic Northwest, show- ing the distribu- tion of Jenkin wheat in 1919. Estimated area, 66,500 acres. KEDCHAFF (EED CHAFF CLUB). Description.—Plant spring habit, midseason, midtall; stem white, strong; spike awnless, clavate, dense, erect; glumes glabrous, light brown, midlong, midwide; shoulders midwide, usually oblique; beaks wide, obtuse, mm. long; apical awns few, 2 to 10 mm. long; kernels white, short, soft, ovate, humped; germ small, abrupt; crease midwide, shallow; cheeks usually angular; brush small, midlong. Redchaff differs from Jenkin in being shorter, earlier, in having a more clavate spike and lighter brown glumes. Spikes, glumes, and kernels of Red- chaff are shown in Plate LI, B. History.—The origin of Redchaff is undetermined. According to Hunter (124, p. 24),


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectwheat, bookyear1922